Minimize Agile Proba-1 rolls

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Agile Proba-1 rolls

Title: Agile Proba-1 rolls


For most Earth-observing satellites, image acquisition is only a matter of opening a viewing aperture, but Proba-1 is different. The satellite's platform and payload work as one: spinning reaction wheels guided by a startracker roll it up to 25º side to side and 55º along its path.

Copyright: ESA

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